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Oral, Head And Neck Anatomy > Quiz 4 > Flashcards

Quiz 4 Flashcards

0
Q

The cranial bones on the lateral view

A

Occipital, frontal, parietal, temporal, sphenoid and ethmoid

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1
Q

This view shows both cranial bones and facial bones

A

Lateral view of the skull

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2
Q

Frontal and parietal bone make up which cranial suture?

A

Coronal suture

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3
Q

Parietal and occipital bones are part of which cranial suture?

A

Lanbdoidal suture

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4
Q

Temporal and parietal bones are apart of which cranial sutures

A

Squamosal suture

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5
Q

Formed by several bones of the skull and contains the body of the temporalis muscle

A

Temporal fossa

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6
Q

Is inferior to the temporal fossa

A

Infratemporal fossa

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7
Q

Harder to see, it Is deep to the Infratemporal fossa

A

Pterygopalatine fossa

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8
Q

Cheek bone

A

Zygomatic arch

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9
Q

Movable articulation between temporal bone and mandible

A

Temporomandibular joint

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10
Q

Hard palate and associated structures

A

Anterior portion of external skull

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11
Q

Bordered by the alveolar process of the maxilla with the maxillary teeth

A

Anterior portion of the external skull

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12
Q

The anterior portion is formed by

A

Palatine processes of the maxilla, horizontal plates of the palatine bones

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13
Q

Two prominent sutures of the anterior external skull

A

Median palatine suture, transverse palatine suture

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14
Q

Midline articulation between two palatine processes of the maxilla anteriorly and two horizontal plates of palatine bones posteriorly

A

Median palatine suture

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15
Q

Articulation of two palatine processes of maxilla and two horizontal plates of palatine bones

A

Transverse palatine suture

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16
Q

Forms the floor of the nasal cavity as well as the roof of the mouth

A

Anterior portion of the external skull

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17
Q

___________ of the hard palate forms the inferior border of the posterior nasal apertures

A

Posterior edge

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18
Q

Funnel shaped cavities are the posterior openings of the nasal cavity

A

Posterior nasal apertures

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19
Q

Is formed by the vomer and sphenoid bones

A

Superior edge

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20
Q

Is formed by the posterior edge of the vomer

A

Medial border

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21
Q

Is formed by the pterygoid process of the sphenoid bone

A

Lateral borders

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22
Q

Posterior orbit of the eye

A

Greater and lesser wing

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23
Q

Sphenoid bone

A

Middle portion of the external skull

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24
Q

Consists of two plates

A

Pterygoid process

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25
Q

A thin curved process forms on the inferior portion of the medial plate

A

Hamulus

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26
Q

Medial pterygoid plate

A

Very thin ( part of the sphenoid bone )

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27
Q

Lateral pterygoid plate

A

More flattened part of the sphenoid bone

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28
Q

The depression between the medial and lateral plates

A

Pterygoid fossa

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29
Q

Arteries, burns and nerves that supply the brain and the facial tissue enter and exit through these foramen

A

Foramina of the external skull

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30
Q

A large opening on the sphenoid bone, for mandibular division of the trigrminal vein cranial nerve (valley/lower branch) **

A

Foramen ovale

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31
Q

A smaller, more posterior, opening on the sphenoid branch, carries the meningeal artery into the cranial cavity

A

Foramen spinosum

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32
Q

Large irregular shaped opening on the carotid artery emerges here from the carotid canal via the portion that is not filled with cartilage

A

Foramen lacerum

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33
Q

Opening in the temporal bone, it cares internal carotid artery and sympathetic carotid plexus

A

Carotid canal

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34
Q

Just lateral and posterior to the carotid cancel, it is a pointed bony projection located on the temporal bone

A

Styloid process

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35
Q

Opening through which the facial (VII cranial nerve) exists from the skull to the face, it is immediately posterior to the styloid process

A

Stylmastoid foramen

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36
Q

The internal jugular vein and three cranial nerves (glossopharyngeal IX, vagus X, spinal accessory XI, pass through this opening

A

Jugular foramen

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37
Q

Largest opening on the inferior view, the spinal cord and vertebral arteries pass through here

A

Foramen magnum

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38
Q

Bones: frontal, ethmoid, sphenoid, temporal, occipital and parietal, all can be seen from this view

A

Superior view of the internal surface (open top of the skull)

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39
Q

Foramina seen from the superior view of the internal surface

A

The optic canal, superior orbital fissure, foramen ovale, foramen spinosum, carotid canal, jugular foramen and foramen magnum

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40
Q

Opening for the olfactory nerve ( I cranial nerve)

A

Cribrifoem plate (ethmoid bone)

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41
Q

Opening for the maxillary division of the trigrminal, sensory (roof) **

A

Foramen rotundum

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42
Q

Opening for the hypoglossal XII cranial nerve

A

Hypoglossal canal

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43
Q

Facial nerve (VII) and vestibulocochlear nerve (VIII)

A

Internal acoustic meatus

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44
Q

The cranium is formed by the cranial bones …

A

1) occipital (1)
2) frontal (1)
3) sphenoid (1)
4) ethmoid (1)
5) parietal (2) paired
6) temporal (2) paired

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45
Q

Single cranial bone, articulates with: the parietal, temporal, and sphenoid

A

Occipital bone

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46
Q

Is completely formed by the occipital

A

Foramen magnum

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47
Q

(2) curved smooth projections have movable articulation with the first cervical vertebra

A

Occipital condyles

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48
Q

On the stout basket portion is the four sided plate anterior to the foramen magnum is a midline projection

A

Pharyngeal tubercle

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49
Q

Hypoglossal nerve - XII cranial nerve passes through here

A

Hypoglossal canals

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50
Q

Medial portion of the two bones that form the jugular foramen

A

Jugular notch of the occipital bone

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51
Q

Single cranial bone that forms both forehead and the superior portion of the orbits. It articulates with the parietal, sphenoid, lacrimal, nasal, ethmoid, zygomatic and maxilla

A

Frontal bone (internal surface)

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52
Q

Internally the frontal bone contains the …

A

Frontal sinuses, one of the four pairs of paranasal sinuses

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53
Q

Curved elevations over the superior portion of the orbit

A

Supra orbital ridges

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54
Q

On the medial portion of the supraorbital ridge and where the superaorbital artery and nerve travel from the orbit to the forehead. Located one inch from the midline and causes pressure when palpated

A

Supraorbital notch

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55
Q

A smooth elevated between the eyebrows, usually flat in children and females and is usually rounded in males

A

Glabella

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56
Q

The bony projection lateral to the orbit

A

Zygomatic process

57
Q

Are just inside the lateral portion of the supraorbital ridge

A

Lacrimal fossa

58
Q

Is located in this fossa, produces lacrimal fluid after lubricating the eye the fluid is drained trough the nasolacrimal duct into the nasal cavity

A

Lacrimal gland

59
Q

Paired and articulate with each other at the sagittal suture, they also articulate with occipital, frontal, temporal and sphenoid bones

A

Parietal bones

60
Q

Paired and articulate with parietal, sphenoid, occipital and zygomatic bones

A

Temporal bones (lateral)

61
Q

Three portions of the temporal bones

A

Squamous, tympanic, petrous

62
Q

Flat fan shaped, forms part of the brain case, forms the zygomatic process of the temporal bit which in turn helps form the zygomatic arch. Forms the cranial proton of the TMJ

A

Squamous portion

63
Q

The depression that the mandibular condyle articulates in

A

Articulate fossa

64
Q

A round raised bony structure that acts as the stop point for the moving mandibular condyle, just anterior to the fossa

A

Articular eminence

65
Q

The posterior aspect of the eminence

A

Postglenoid process

66
Q

Forms most of the external acoustic meatus, located just posterior to the Postglenoid process

A

Tympanic portion of the temporal bones

67
Q

Departed tampanic portion from the petrosal portion of the temporal bone - chords tympani nerves passes through this fissure

A

Petrotympanic fissure of the temporal bones

68
Q

A large, rounded, roughened projection, located just posterior to the external acoustic meatus. Composed often mastoid air spaces that communicate with the middle ear, serves as one of the attachment points for the sternocleoidmastoid muscle

A

Mastoid process

69
Q

Depression just medial to the mastoid

A

Mastoid notch

70
Q

Long pointed bony projection, located inferior and medial to the external acoustic meatus, serves for attachment of muscles and ligaments

A

Styloid process

71
Q

Located between the styloid and mastoid, the facial nerve (VII cranial nerve) passes through here

A

Stylomastoid foramen

72
Q

Forms the lateral portion of the jugular foramen

A

Jugular notch of the temporal bone

73
Q

VIII cranial nerve passes from the brain to the skull here and remains in the petrol portion of the temporal bone

A

Vestibularcocochlear nerve

74
Q

VII cranial nerve also passes here, but it continues on to emerge at the Stylomastoid foramen

A

Facial nerve

75
Q

Single, midline bone that articulates with the frontal, parietal, ethmoid, temporal, zygomatic, maxillary, palatine, vomer and occipital bones

A

Sphenoid bone

76
Q

Many foramina and fissures are located here (superior orbital fissure, foramen ovale, foramen rotundum, and foramen spinosum

A

Foramen if the sphenoid

77
Q

Sphenoid sinuses

A

Housed in the body of the sphenoid bone

78
Q

Anterior process, makes up the base of the orbit apex

A

Lesser wing

79
Q

Posterolateral process, makes up posterior part of the lateral wall of the orbit

A

Greater wing

80
Q

Located inferior to the greater wing

A

Pterygoid process

81
Q

Single, midline cranial bone of the skull. Articulates the frontal, sphenoid, lacrimal, and maxilla and joins the vomer at it’s inferior and posterior border

A

Ethmoid bone

82
Q

Seen in the nasal cavity and aid the vomer and nasal septal cartilage in forming the nasal septum

A

Vertical perpendicular plates

83
Q

Forms the medial orbital wall

A

Orbital plate of the ethmoid bone

84
Q

Seen on the inside of the cranial cavity on the superior aspect of the bone, contains the foramina for the olfactory nerve (I cranial nerve)

A

Horizontal cribiform plate

85
Q

Small cavities in the lateral mass of the ethmoid bone, divisions: anterior, middle and posterior

A

Ethmoid sinuses/ air cells

86
Q

Located in the midline of the anterior cranium, serves for the attachment of the connective tissue membrane covering the brain

A

Cristea galli

87
Q

Superior nasal conchae and middle nasal conchae

A

Part of the nasal cavity

88
Q

Articulations of the vomer

A

Ethmoid, sphenoid, palatine, maxilla and nasal cartilage

89
Q

Forms the inferior portion of the nasal septum and has no muscle attachments

A

Vomer

90
Q

Irregular thin plate of vine, forms the anterior dial orbital wall

A

Lacrimal bones (paired)

91
Q

Formed at the junction of the lacrimal and maxillary bones

A

Nasolacrimal

92
Q

Form the bridge of the nose

A

Nasal bones

93
Q

They project into the nasal cavity, forming part of the later wall of the nasal cavity

A

Paired facial bones

94
Q

Composed of thin spongy bone, curved into a scroll shape, no muscle attachments

A

Inferior nasal conchae

95
Q

Paired facial bones, form the cheek/ malar surfaces

A

Zygomatic

96
Q

Forms the anterolateral orbital wall

A

Frontal process

97
Q

Forms the anterior portion zygomatic arch

A

Temporal process

98
Q

Forms a portion of the infraorbital rim and a small portion of the anterolateral orbital wall

A

Maxillary process

99
Q

Paired bones of the face, but are not strictly considered facial bones

A

Palatine

100
Q

Form the posterior aspect of the hard palate

A

Horizontal plates

101
Q

Form part do the lateral wall of the nasal cavity

A

Vertical plates

102
Q

Located in the Posterolateral region of the horizontal plates, distal to the 3 r max molar, transmit the greater palatine nerve and blood vessels

A

Greater palatine foramen

103
Q

Landmark for local anesthesia for the greater palatine nerve block. This will anesthetize the palatal gingiva

A

Foramina of the palatine bone

104
Q

Depression pituitary gland sits in

A

Stellarurcica

105
Q

Had an orbital, nasal, Infratemporal and facial surfaces. Contains the maxillary sinuses

A

Body of the maxilla

106
Q

Process of the maxilla

A

1) zygomatic process
2) frontal process
3) alveolar process
4) palatine process (hard palate)

107
Q

Forms the medial rim of the orbit

A

Frontal process

108
Q

Separates maxillae orbital surface from the sphenoid bone, opening for the zygomatic nerve, infraorbital nerve, maxillary dictionary of the trigrminal nerve and infraorbital artery

A

Inferior orbital fissure

109
Q

The groove in the orbital floor of the maxilla

A

Infraorbital sulcus

110
Q

The canal that forms from the infraorbital sulcus and terminates as the infraorbital foramen, carries the infraorbital nerve and blood vessels

A

Infraorbital canal

111
Q

Located on the facial surface of the maxilla, anesthesia landmark for the infraorbital block

A

Infraorbital foreman

112
Q

Elongated depression just posterosuperior to the roots of the canine

A

Canine fossa

113
Q

Prominence of the alveolar bone over re canine root, just anterior to the canine fossa is the injection site for the anterior superior alveolar (ASA) block

A

Canine eminence

114
Q

A prominent ridge of bone that supports the maxillary teeth, is less dense than the mandible and allows for the use of local infiltration anesthesia in the maxilla

A

Alveolar process

115
Q

Articulates with one another and forms the major portion of the hard palate

A

Palatine process of the maxilla

116
Q

Junction of the right and left halves of the palatine process

A

Median palatine suture

117
Q

Opening that carries the right and left branches of the nasopalatine nerve , landmark for anesthesia for the nasopalatine block to anesthetize the anterior palatal gingiva

A

Incisive foramen

118
Q

Raised area of gingival positioned in the incisive foramen

A

Incisive papilla

119
Q

Palatal aspect

A

Alveolar process

120
Q

Most posterior aspect of the maxilla

A

Maxillary tuberosity

121
Q

Where the posterior superior alveolar (PSA) nerve and blood vessels beer the maxilla from the alveolar canal this is a landmark for local anesthetic for the PSA block

A

Posterior superior alveolar foramen

122
Q

Single facial bone, only moveable bone of the skull and is the strongest and largest facial bone

A

Mandible

123
Q

Prominence of the chin

A

Mental protuberance

124
Q

A faint ridge, where the fusion of the right and left halves of the mandible occurred

A

Symphysis

125
Q

Bilateral, located between the apices of the 1st and 2nd mandibular premolars, is the probing for mental nerve and blood vessels to enter the mandibular canal, it is the anesthesia landmark for the mental block, will anesthetize the mandibular canine, lateral and central incisor

A

Mental Foramen

126
Q

The heavy horizontal portion of the mandible

A

Body of the mandible

127
Q

The ridge of bone that support the mandibular teeth, found on the superior edge of the body of the mandible

A

Alveolar process

128
Q

Vertical portion of the mandible

A

Ramus

129
Q

Anterior process of the ramus

A

Coronoid process

130
Q

The concave curve found on the main portion of the anterior border of the ramus, anesthetic landmark for the mandibular block, will anesthetize all teeth in that side of the mandible

A

Coronoid notch

131
Q

Inferior to the Coronoid notch, the anterior border of the ramus becomes the external oblique line, it is the crest where the ramus and the body of the mandible meet

A

External oblique ridge

132
Q

The angled, posterior border of the mandible

A

Angle of the mandible

133
Q

Posterior process of the ramus, thicker than the Coronoid process

A

Condyle of mandible

134
Q

Air filled cavities in the cranial and facial bones, that communicate with the nasal cavity through the Ostia in the lateral nasal wall ****

A

Paranasal sinuses *****

135
Q

Function of the para sinuses

A
  • lighten the skull
  • warm the air inhaled
  • provide mucus secretions for the nasal cavity
  • act as sound resonators
136
Q

Location - bilateral in the frontal bone, just superior to the nasal cavity

  • 2-3 centimeters, asymmetrical shaped
  • drainage- the frontonasal duct drains the frontal sinuses into the middle nasal meatus
A

Frontal sinuses

137
Q

Location - bilateral in the body of the sphenoid bone

  • 1.5-2.5 centimeters, often asymmetrical
  • drainage- drains via the Ostia in the superior nasal meatus (sphenoethmoidal recess)
A

Sphenoid sinuses

138
Q

Location: bilateral in the lateral mass of the ethmoid bone
- divisions- anterior, middle and posterior
- size- small cavities of varying sizes
- drainage- anterior: middle nasal meatus (hiatus semilunaris)
Middle: middle nasal meatus (bulla ethoidalis)
Posterior: drains via the Ostia in the superior nasal meatus (sphenoethmoidal recess)

A

Ethmoid sinuses

139
Q

The largest of the paranasal sinuses and the most significant to dentistry

Location: bilateral in the body of the maxilla, just superior and posterior To the maxillary premolars and extending over the maxillary molars

Size: varies to the individual/age
Shape: pyramidal
Drainage: drains via the Ostia in the middle nasal meatus (hiatus semilunais)

A

Maxillary sinuses

140
Q

Sinus infections can cause the patient to experience tooth pain when there is no pathology effecting the teeth, this is due to pressure from the infected sinus on the apical periodontium of the tooth

A

Dental pain

Oral, Head And Neck Anatomy (6 decks)

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